"3D films require us to focus at one distance and converge at another….So the “CPU” of our perceptual brain has to work extra hard, which is why after 20 minutes or so many people get headaches. They are doing something that 600 million years of evolution never prepared them for. This is a deep problem, which no amount of technical tweaking can fix."

— Legendary film editor and sound designer Walter Murch on “Why 3D doesn’t work and never will”. He’s got insider’s knowledge, too, beyond that of editing: he helped cut Disney’s Captain EO “4D” film/attraction for Francis Ford Coppola back in the early 1980’s. (Wait, Coppola directed that thing?!)

(via austinkleon)